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Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska
Geochronological data of apatite and zircon from igneous and sedimentary rocks in this area. Data are provided in CSV format. |
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Geochemical data for the Thunder Mountain volcanic field and dikes in the Stibnite-Yellow Pine district region
Whole rock geochemical data for volcanic rocks in this area, both extrusive rocks and hypabyssal dikes. Major oxides and trace elements are included. Data are provided in CSV format. |
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Geologic map of Alaska
Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska. |
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Geologic map of Alaska
Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska. |
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National Geochronological Database
Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats. |
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National Geochronological Database
Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats. |
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New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska
U-Pb zircon isotopic data generated from analyses of 40 metaplutonic and metavolcanic rocks from this area as well as whole-rock major- and trace-element geochemical data for metaigneous rocks. Data are provided in CSV format. |
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Preliminary map of the uranium provinces in the conterminous United States
Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome. |
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Sulfide Electron Microprobe Analyses and Petrography of Mineralized Samples from the Stratabound Sheep Creek Sediment-Hosted Zn-Pb-Ag-Sn Prospect, and SHRIMP U-Pb Zircon Data for Metaigneous Rocks in the Bonnifield Mining District, Healy Quadrangle, AK
Electron microprobe analyses of cassiterite, chalcopyrite, galena, pyrite, sphalerite, and tetrahedrite from drill core and outcrop samples at this location, and radiometric dates of rocks in this mining district. Data are provided in CSV format. |
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U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada
Geochronology data obtained through radiometric dating of rocks in this area. Data are provided in CSV format. |
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USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data
Published ages, dates, analytical information, sample metadata including location, and source citations. The following analytical techniques are represented in the data set: 40Ar/39Ar, K-Ar, U-Th-Pb, Sm-Nd, Rb-Sr, Lu-Hf, fission track, and luminescence. Data are provided in CSV format. |
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